Born to a boilermaker father at Chantiers de France and a homemaker mother, Vergriete was raised in the bustling Glacis neighbourhood of Dunkirk.
Following his completion of the baccalaureate, he pursued further education in Paris by attending a scientific preparatory programme at the prestigious Lycée Louis-le-Grand. Succeeding in the École polytechnique entrance exam, he became a member of the class of 1989.[3]
At the end of the 1990s, he began his professional career at the OECD, then joined the cabinets of Minister of Employment and Solidarity Martine Aubry and Minister for the City Claude Bartolone.[5]
Political career
In 2014, Vergriete was elected Mayor of Dunkirk. On 1 September 2018, the implementation of free bus services was initiated, making the urban community of Dunkirk the largest urban area in Europe to offer unrestricted access to its entire bus network.[6]
In December 2019, Vergriete declared his intention to run for a second term as mayor. He secured reelection in 2020 in the first round of voting with 64% of the total votes.[7]